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Finding the Fourth Proportional to 548,644.26, 822,883.25 and 149,316.16

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Solution

The fourth proportional to 548,644.26, 822,883.25 and 149,316.16 is: 223,951.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,644.26 : 822,883.25 = 149,316.16 : x
  2. Step 2: Convert to fraction form
    548,644.26/822,883.25 = 149,316.16/x
  3. Step 3: Cross multiply
    548,644.26x = 822,883.25 × 149,316.16
  4. Step 4: Simplify right side
    548,644.26x = 122,869,766,877.31
  5. Step 5: Solve for x
    x = 122,869,766,877.31/548,644.26
  6. Step 6: Final answer
    x = 223,951.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.